Mardaniyah, A., Fevria, R. and Kardiman, R. (2025) “Application of pH and TDS Sensors to Optimize the Growth of Pakcoy (Brassica rapa L.) Plants in Hydroponic Systems”, Jurnal Biologi Tropis, 25(4b), pp. 363–371. doi: 10.29303/jbt.v25i4b.10765.